Tomas Zib defeated Martin Bartonek 2-6 6-4 6-3 in the Czech Republic Masters 4 round of 32 on carpet. The upset overturned the form book — Martin Bartonek came in leading the head-to-head 1–0. Tomas Zib claimed a first win over Martin Bartonek in two meetings, levelling the head-to-head at 1–1.
Zib T. came through in three sets.
Tomas Zib beat Martin Bartonek 2-6 6-4 6-3. Umpiry, "Tomas Zib vs Martin Bartonek — Czech Republic Masters 4 Round of 32", https://umpiry.com/match/1997-10-20/bartonek-vs-zib-czech-republic-masters-4-r32?utm_source=cite (as of 20 October 1997).